🏷️ Basic Information

Make:

Buick

Model:

Riviera

Year:

1993

👋 Introduction

Market Position:

Premium Personal Luxury Coupe

Competitive Analysis:

Competed with other luxury coupes of the era, offering a blend of comfort, style, and performance.

Key Features:

Distinctive styling, comfortable interior, powerful V6 engine options, advanced features for its time.

📋 Manual Details

Coverage Areas:

Complete Service and Repair Information

Page Count:

Not specified, but implies comprehensive factory-derived content

Manual Type:

Service and Repair Manual Software

Language:

English

Format:

PDF Download (Web Browser Accessible)

📖 Manual Coverage

Systems Covered:

Engine, Transmission, Brakes, Suspension, Steering, Electrical System, Wiring Diagrams, Heating, Ventilation, Air Conditioning (HVAC), Bodywork, Interior Components, Fuel System, Exhaust System, Cooling System, Drivetrain

Procedures Included:

Routine Maintenance, Troubleshooting, Diagnostics, Component Removal and Installation, Repair Procedures, Overhaul Procedures, Electrical Component Testing, Diagnostic Trouble Codes (DTCs)

Technical Depth:

Comprehensive, from basic maintenance to in-depth repair and diagnostics, derived from OE (Original Equipment) materials

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, suitable for printing

Binding Type:

Digital Download (N/A for printed)

Paper Type:

Digital (N/A for printed)

⚙️ Engine Specifications

Engine Displacement And Type:

3.8L (3800) Series I V6

Horsepower:

170 hp @ 4800 rpm (approximate for 3.8L)

Torque:

225 lb-ft @ 3200 rpm (approximate for 3.8L)

Fuel System:

Multi-port Fuel Injection (MPFI)

🔧 Transmission

Transmission Type:

4-speed Automatic (4T60-E)

Optional Transmission:

N/A (4T60-E was standard across most models)

Transmission Features:

Electronically controlled with overdrive.

📐 Dimensions

Wheelbase:

107.5 inches

Length:

199.9 inches

Width:

73.0 inches

Height:

53.7 inches

Curb Weight:

3500-3700 lbs (approximate, varies by trim and options)

🛡️ Safety Features

Safety Ratings:

Not readily available for specific crash test ratings for this year/model in a standardized format; general safety features of the era applied.

Active Safety Features:

Anti-lock Braking System (ABS) was available/standard on some trims.

Passive Safety Features:

Driver and front passenger airbags, crumple zones, safety cage construction.

💡 Technology Features

Infotainment System:

Standard AM/FM stereo with cassette player, optional CD player. Features include seek tuning, auto-reverse cassette, and often steering wheel audio controls.

Driver Assistance Features:

Optional ABS, Twilight Sentinel (automatic headlamp control).

Connectivity Features:

N/A (no modern connectivity features like Bluetooth or USB were available).

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles or 6 months, whichever comes first (using conventional oil), longer with synthetic.

Coolant Flush Interval:

Every 30,000 miles or 2 years.

Spark Plug Replacement Interval:

Approx. 100,000 miles (depending on plug type, e.g., platinum).

Engine Oil Type And Capacity:

API SG, SF, or SG/CD Service Category. SAE 5W-30 viscosity recommended. Capacity: 4.5 quarts (with filter).

Transmission Fluid Type:

Dexron-III (or equivalent).

Coolant Type:

GM P/N 1050435 (Green, 50/50 mix with distilled water) or equivalent silicate-free antifreeze.

Common Issues:

Intake manifold gasket leaks (especially the 3800 V6), accessory drive belt tensioner issues, power steering pump leaks, occasional electrical gremlins, wear in suspension bushings, catalytic converter failures due to age.

📚 Vehicle History

Brand Heritage:

Buick has a long history of producing comfortable and stylish American vehicles, often positioned as a near-luxury brand.

Model Evolution Summary:

The 1993 Riviera represents the sixth generation, which saw a significant redesign featuring a sleeker, more aerodynamic profile and front-wheel drive, moving away from its earlier rear-wheel-drive predecessors. It introduced the distinctive 'recessed' grille and 'sweep-spear' body side styling.

Production Years For Generation:

1989-1994

Manufacturing Location:

Hamtramck, Michigan, USA

🏆 Awards & Recognition

Recognitions:

While specific awards for the 1993 model aren't extensively documented in the same way as modern vehicles, the Riviera generation was generally well-received for its styling and comfort within its segment.